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Finding the Fourth Proportional to 104,043, 156,060.84 and 29,162.54

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Solution

The fourth proportional to 104,043, 156,060.84 and 29,162.54 is: 43,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,043 : 156,060.84 = 29,162.54 : x
  2. Step 2: Convert to fraction form
    104,043/156,060.84 = 29,162.54/x
  3. Step 3: Cross multiply
    104,043x = 156,060.84 × 29,162.54
  4. Step 4: Simplify right side
    104,043x = 4,551,130,488.93
  5. Step 5: Solve for x
    x = 4,551,130,488.93/104,043
  6. Step 6: Final answer
    x = 43,742.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.